<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <script>

        // function fn(){
        //     console.log(fn);
        // }

        // fn();
        // {
        //     let fn2 = function(){
        //         console.log(fn2);
        //     }
        // }

        // fn2();
    </script>
</body>
</html>